private static OBREntry convertToOBREntry(ArtifactObject artifactObject, String obrBase) {
String name = artifactObject.getName();
String symbolicName = artifactObject.getAttribute(BundleHelper.KEY_SYMBOLICNAME);
String version = artifactObject.getAttribute(BundleHelper.KEY_VERSION);
String relativeURL = artifactObject.getURL().substring(obrBase.length());
return new OBREntry(name, symbolicName, version, relativeURL);
}